Yeah you just have to call them and they can add it for you over the phone for $20 USD extra per month. 

Hey Flow 13,You can pay an extra $20 per month to them for the privilege of using 3rd party carriers. You need to call in for this option, as they don’t advertise it at all. Alternatively you can upgrade to the next tier, but it’s cheaper to just add...

Hi Heather!  I hope that I can reply and offer a suggestion as well. I looked into shipping apps and options as well, and found that using GoShippo was the better option for me. It links with Shopify and syncs all of your orders, including fulfilling...

We have the exact same issue.Canada Post discounts would have been significantly more than the Shopify discount rate, but they want us to use their own SnapShip.Shopify is getting SIGNIFICANT discounts with Canada Post, but anyone using Shopify doesn...